26f213e18d20aba53ef25ef1064434474c1bf563a1671217698177177603950f | Triage

Sharing

General

Target

CleanUp.dll
Size

3.9MB
Sample

240227-3z53gaef7x
MD5

e2715eea093952fe0f86212acc67c54a
SHA1

f859f8db122bfb7ac742639d4cf44167f70e44ce
SHA256

26f213e18d20aba53ef25ef1064434474c1bf563a1671217698177177603950f
SHA512

34a5dfb4c726e208159983040c0ae91e859a215080624bac1e0f9357cfe3cc6d5f5203b774fe3e881622e80c890e8ef54880109ccd348245a535e30fe870cca2
SSDEEP

98304:q9BpQLAgp0PSjNTVq3WhaQTZBGK82IM0Nm:Eovp0WEgBR8M

Score

9^/10

evasion persistence trojan

Malware Config

Targets

- Target
  
  CleanUp.dll
- Size
  
  3.9MB
- MD5
  
  e2715eea093952fe0f86212acc67c54a
- SHA1
  
  f859f8db122bfb7ac742639d4cf44167f70e44ce
- SHA256
  
  26f213e18d20aba53ef25ef1064434474c1bf563a1671217698177177603950f
- SHA512
  
  34a5dfb4c726e208159983040c0ae91e859a215080624bac1e0f9357cfe3cc6d5f5203b774fe3e881622e80c890e8ef54880109ccd348245a535e30fe870cca2
- SSDEEP
  
  98304:q9BpQLAgp0PSjNTVq3WhaQTZBGK82IM0Nm:Eovp0WEgBR8M
Score

9^/10

evasion persistence trojan
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
  evasion
- Blocklisted process makes network request
- Checks BIOS information in registry
  BIOS information is often read in order to detect sandboxing environments.
- Registers COM server for autorun
  persistence
- Checks whether UAC is enabled
  evasion trojan
- Suspicious use of NtSetInformationThreadHideFromDebugger
behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Defense Evasion

Virtualization/Sandbox Evasion

Credential Access

Discovery

Query Registry

System Information Discovery

Virtualization/Sandbox Evasion

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

evasionpersistencetrojan